On Fri, March 30, 2012 5:26 am, Nataraj wrote: > So for example if I assign an email address for incoming mail from a > mailing list and then setup a whitelist entry that only allows that > address to receive email from the mailservers that serve that mailing > list and then blacklist all other incoming mail to that address it is > very effective so, for example, if you unsubscribed from this list and, after that, I wanted either to: 1) contact you directly to know more about your antispam setup 2) offer you a job as system administrator since you are so skilled and I sent such email to the address you use to post to this list (the only contact info I have), not only you would never receive it, but (if you implement this server-wide) ALL your email USERS would stop receiving legitimate email from me? Am I missing something? If not, yours is a smart solution, indeed. marco http://freesoftware.zona-m.net